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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [gcc/] [testsuite/] [gcc.dg/] [pr44606.c] - Rev 701
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/* PR target/44606 */ /* { dg-do run } */ /* { dg-options "-O2" } */ #include <stdio.h> extern void abort (void); typedef struct _PixelPacket { unsigned char r, g, b; } PixelPacket; #define ARRAYLEN(X) (sizeof(X)/sizeof(X[0])) PixelPacket q[6]; #define COLS (ARRAYLEN(q) - 1) PixelPacket p[2*COLS + 22]; #define Minify(POS, WEIGHT) do { \ total_r += (WEIGHT)*(p[POS].r); \ total_g += (WEIGHT)*(p[POS].g); \ total_b += (WEIGHT)*(p[POS].b); \ } while (0) unsigned long columns = COLS; int main(void) { static const unsigned char answers[COLS] = { 31, 32, 34, 35, 36 }; unsigned long x; for (x = 0; x < sizeof(p)/sizeof(p[0]); x++) { p[x].b = (x + 34) | 1; } for (x = 0; x < columns; x++) { double total_r = 0, total_g = 0, total_b = 0; double saved_r = 0, saved_g = 0, saved_b = 0; Minify(2*x + 0, 3.0); Minify(2*x + 1, 7.0); Minify(2*x + 2, 7.0); saved_r = total_r; saved_g = total_g; Minify(2*x + 11, 15.0); Minify(2*x + 12, 7.0); Minify(2*x + 18, 7.0); Minify(2*x + 19, 15.0); Minify(2*x + 20, 15.0); Minify(2*x + 21, 7.0); q[x].r = (unsigned char)(total_r/128.0 + 0.5); q[x].g = (unsigned char)(total_g/128.0 + 0.5); q[x].b = (unsigned char)(total_b/128.0 + 0.5); fprintf(stderr, "r:%f g:%f b:%f\n", saved_r, saved_g, saved_b); } for (x = 0; x < COLS; x++) { if (answers[x] != q[x].b) abort(); } return 0; }
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